Optical refractor for diffusing light

Details Optical refractor for diffusing light Optical refractor for diffusing light

G - Physics

02

B

88/99

G02B 5/02 (2006.01) G03B 21/62 (2006.01) H04N 9/31 (2006.01)

Patent

CA 1164702

Abstract of the Disclosure An optical refractor comprises a plate made of transparent material and having a first surface and a second surface. Segment lens elements of the same size are arranged on the first and second surface of the plate and formed integrally with the plate. The segment lens elements on the first surface are positioned in face-to-face relation with the segment lens elements arranged on the second surface, thus forming pairs of segment lens element. The segment lens elements have a common optical axis and convex surfaces, respectively. The focal lengths defined by these convex surfaces are equal. The focal point of one of the segment lens ele- ments lies on the convex surface of the other segment lens element, and that of the other segment lens element lies on the convex surface of the first segment lens element.

389731

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